APA (7th ed.) Citation

Marsh, G. P. (2011). Man and Nature; Or, Physical Geography as Modified by Human Action. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marsh, George P. Man and Nature; Or, Physical Geography as Modified by Human Action. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Marsh, George P. Man and Nature; Or, Physical Geography as Modified by Human Action. Project Gutenberg, 2011.

Warning: These citations may not always be 100% accurate.